Active sensing encompasses the use of a transmitter and at least one receiver to measure (sense) the transmission or scattering properties of a medium at radio frequencies. In transmission ...

Active remote sensing is the principal tool used to study and to predict short- and long-term changes in the environment of Earth - the atmosphere, the oceans and the land surfaces - as well as the ...

1. History of thermal remote sensing of active volcanism -- 2. Thermal remote sensing of active volcanism: principles -- 3. Satellite orbits and sensor resolution -- 4. The mixed pixel, the dual-band ...

Analyze images and other data to solve problems across disciplines. Imagery and other data collected by satellites, crewed aircraft, and uncrewed aerial systems (UAS) are increasingly important for ...

CesiumAstro, Inc., with support from The National Aeronautics and Space Administration (NASA), is accelerating radio frequency (RF) active phased array antenna development enabling dual function ...